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19 Apr 2010 secret entry point into a program. • allows those who know access bypassing usual security procedures. • have been commonly used by developers. • a threat when left in production programs allowing exploited by attackers. • very hard to block in O/S. • requires good s/w development & update. Logic Bomb.
Secret entry point into program. – Allows entry without going through normal security access procedures. – Used originally as. • Aid to programmers to gain access without going through lengthy access procedures. • Method of activating program should something go wrong with the authentication procedure. • Threat.
CodeRed, Nimda, Aliz and BadtransII were the Malicious programs that exploited vulnerabilities in applications and operating systems and caused serious epidemics in 2001. The large-scale epidemics caused by these worms changed the face of computer security and set trends for malware evolution for several years to
17 Jun 2009 Regroups viruses, spyware, Trojans, and all sorts of small programs designed to harm your system, steal information, track your activitiesetc Spyware Malware; Spyware; Viruses; Worms; Trojans; Keyloggers; Dialer; Rootkits; Related: Types of malicious software Download this article for free (PDF).
Malicious code is any code added, changed or removed from a software system in order to intentionally cause harm or subvert the intended function of the system. • “If you let somebody else execute code on your computer, then it is not your own computer". – User convinced of running a program, maybe done indirectly by
19 Jan 2007 US have spyware or other types of malware on their computers? should read ?After hearing descriptions of ?spyware? and ?adware,? 43% of internet users, or about 59 million American adults, say they have had one of these programs on their home computer.? The original source can be found in
Malicious code can be many things: viruses, worms, Trojan horses, rabbits, etc. • Note that from a technical/scientific viewpoint: malicious code is Malicious Code (2). • Many users say: I would never download unsecure content! • But what type of content is safe? . research.google.com/archive/provos-2008a.pdf
Wide use of internet has made it a target for malicious code activities . Malicious codes are executable code able to reproduce itself [1]. Viruses are an area of pure programming, and, unlike other computer programs, carry intellectual functions on protection from being found and destroyed. They have to fight for survival in.
Trojan (Trojan Horse)- a Trojan horse is a program in which malicious or harmful code is contained inside apparently harmless programming or data in such a way that it can get control and do its chosen form of damage, such as ruining the certain area on your hard disk. A Trojan horse may be widely redistributed as part of
21 Oct 2010 A logic bomb is a program that performs a malicious action as a result of a certain logic condition. • The classic example of a logic bomb is a programmer coding up the software for the payroll system who puts in code that makes the program crash should it ever process two consecutive payrolls without
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